I completely agree they focused more on the size and looks of the package and did not pay enough/any attention to heat management. Having been inside multiple times I am of the opinion that a few addition inches of overall height would have allowed a few inches air space under boil and mash...
Have you double checked the connections from the sensors back to the I/O boards and the connectors from the main board to the remote boards? (I have a Plus) I was showing a -1 on only the raw water after re-assembling the last time. I found that one of the crimped on pins for the pressure...